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As a child, Sister Mariah always told you to stay away from people who looks like one of them. One day, a stranger appeared at your door step, lost, cold, shivering and frightened. You took a step closer to him, the sight that greeted you was breathtakingly beautiful.  The beautiful stranger had dark chocolate eyes that peered through a row of long and thick eyelashes. He had sleek blonde hair falling down his angellic features. He reached his long slender fingers out to you. Curiosity got the better of you as you reached out and touched him on his fingertips. He felt warm. 

As the both of you sink deeper and deeper, devastation awaits.

Little do you know, he was actually one of them.. 

Every human Class A's, has mission to complete. A mission they can never fail.

HAN JI YEON
A normal human being.

You're under the care of sister Mariah after your parents pass away. They died the most horrific way one could. Sister Mariah, who possesses special powers, made you forgot your past tragic memories that permanently left a scar in your heart. 

Lee ByungHun, better known as Ljoe. 
Class A Elite.

He appeared at your door step in the middle of the night, seeking desperate help from you and sister Mariah. He fell in love with you, a forbidden love. He was then discovered by the elders.